07/24/17

The result of an exam score for a given class is normally distributed. If the mean score is 85 points and the standard deviation is equal to 20 points, find
The result of an exam score for a given class is normally distributed.
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07/23/17

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succes
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more
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07/22/17

Max Points: 5.0 Explain why computing a variance of several numbers is like analyzing their differences
Explain why computing a variance of several numbers is like analyzing their differences
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07/21/17

Consider a triangle ABC like the one below. Suppose that B=124° , a=74 , and c=15 .
Consider a triangle ABC like the one below. Suppose that B=124° a=74 and c=15(The figure is not drawn to scale.) Solve the triangle.Carry your intermediate computations to at least four decimal... more
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07/21/17

Find the complement and the supplement of the given angle or explain why the angle has no complement or supplement: -50 degrees
basic concept
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07/19/17

Solve equation:
(log2(x+1)(log28x)=10
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07/19/17

What we are looking for is applying both the FToA and Descartes to the same example to predict the number of imaginary roots.
What we are looking for is applying both the FToA and Descartes to the same example to predict the number of imaginary roots. Something like this would be the end result:FToA says it has 3 total... more
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07/14/17

Which expression is equivalent to...
1/2x+(-7)-2 1/4x-(-2)?
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07/11/17

Types of Triangles
What kind of triangle has the vertices A(0, 1), B(8, 4) and C(3, -7)?
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07/11/17

A window has a shape of a parabola with vertex at the top and axis vertical. It is 2m wide at the base and 4m high. How wide it halfway?
Solve the following problem. Show show the solution and how to graph. Thank you very much. 
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07/11/17

QUESTION: Why do we use combination formula to calculate the numerator in some probability problems?
QUESTION:Consider the following question: QUESTION: What is the probability of a coin landing on tails three times when the coin is tossed 5 times?I know that in calculating the probability (P) in... more
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07/03/17

Volleyball Serve
When serving, volleyball Team A wins the point 60% of the time against an average opponent. The opposing Team B against an average opponent wins the point while receiving 44% of the time.   The... more
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06/22/17

You budget $2400 for constructing a rectangle enclosure that consists of a high surrounding fence and a lower inside fence that divides the enclosure in half.
The high fence cost $8 per foot. Find the dimensions and the maximum area of each half of the enclosure. 
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06/22/17

A manufacturing produces x items of product at a total cost of (50+2x) dollars. The demand function for the product is p=100-x.
Find the value of x for which the profit is maximu. How much is the maximum profit? (Recall that Profit = Revenue -Cost.)
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06/22/17

A demand function is given by p=200-4x, where p is the price per unit and x is the number of units produced and sold (the demand).
Find x for which the revenue is maximum. [Recall that R(x)= x(p).]
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06/21/17

(2a-1)^2 if
if a=3  
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06/19/17

What is the probability that Billy got it right?
Billy answers on average 5 questions right out of 7. Natasha's average is 5 questions out of 9. They both attempt the same problem. If the question is answered correctly, what is the probability... more
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06/16/17

New York City has 8.3 million people and an area of 1200 km. Tokyo has 13.2 million people and an area of 2200 km
Answers are either New York City or Tokyo
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06/15/17

Probability
In a standard deck of cards, what is the probability of selecting  (assume no replacement)    a) a spade or club b) a diamond or queen c) a spade and then a club d) a pair of 2's
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06/15/17

suppose the graph of y= f(-4x) is given. Explain how to obtain the graph of y=f(x)
critical thinking
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06/15/17

if angle x and angle y are complementary angles, what answer is true?
I'm trying to do my homework but I am lost with this question. Can anyone help me please?
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05/26/17

if the probability of B is 90%, what are the ODDS for event B?
I want to understand what the formula would be for the equation.
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05/25/17

cos x * 2√3 = 0 What do I need to do to find X?
I have been stuck on this one for a while. Can someone help me find x?
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05/25/17

If the probability of A is 60%, what are the ODDS for event A?
 if the probability of B is 90%, what are the ODDS for event B? 
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05/25/17

Item 14 There are 7 similarly shaped figures in a set. The largest figure is 7 inches tall. Each of the other figures is 1 inch shorter t
gimme answer in 5 min or i lose test grade
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